diff --git a/.github/workflows/deploy_docker-image.yml b/.github/workflows/deploy_docker-image.yml
index f61c51ab32..90ea8e13f1 100644
--- a/.github/workflows/deploy_docker-image.yml
+++ b/.github/workflows/deploy_docker-image.yml
@@ -56,7 +56,7 @@ jobs:
             ${{ runner.os }}-yarn-
       - name: yarn install
         if: steps.cache-modules.outputs.cache-hit != 'true'
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       # End of yarn setup
 
       - name: create-app
diff --git a/.github/workflows/deploy_microsite.yml b/.github/workflows/deploy_microsite.yml
index 7a046f3c56..fb99f41c55 100644
--- a/.github/workflows/deploy_microsite.yml
+++ b/.github/workflows/deploy_microsite.yml
@@ -29,12 +29,12 @@ jobs:
       # dependencies and the microsite. We leave it to the main master workflow to produce the
       # cache, as that results in a smaller bundle.
       - name: top-level yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       - name: microsite yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
         working-directory: microsite
       - name: storybook yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
         working-directory: storybook
 
       - name: build API reference
diff --git a/.github/workflows/sync_version-packages.yml b/.github/workflows/sync_version-packages.yml
index 926906338f..5aa12fe6b5 100644
--- a/.github/workflows/sync_version-packages.yml
+++ b/.github/workflows/sync_version-packages.yml
@@ -14,7 +14,7 @@ jobs:
           fetch-depth: 0
           token: ${{ secrets.GH_SERVICE_ACCOUNT_TOKEN }}
       - name: Install Dependencies
-        run: yarn --frozen-lockfile
+        run: yarn --immutable
       - name: Create Release Pull Request
         uses: backstage/changesets-action@v2
         with:
diff --git a/.github/workflows/verify_e2e-techdocs.yml b/.github/workflows/verify_e2e-techdocs.yml
index c8f825796b..e62a9040a6 100644
--- a/.github/workflows/verify_e2e-techdocs.yml
+++ b/.github/workflows/verify_e2e-techdocs.yml
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/setup-python@v3
 
       - name: install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
 
       - name: generate types
         run: yarn tsc
diff --git a/.github/workflows/verify_e2e-windows.yml b/.github/workflows/verify_e2e-windows.yml
index 934ef8f06c..3bc41a9eeb 100644
--- a/.github/workflows/verify_e2e-windows.yml
+++ b/.github/workflows/verify_e2e-windows.yml
@@ -48,7 +48,7 @@ jobs:
       - name: setup chrome
         uses: browser-actions/setup-chrome@latest
       - name: yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
 
       - run: yarn tsc
       - run: yarn backstage-cli repo build
diff --git a/.github/workflows/verify_microsite.yml b/.github/workflows/verify_microsite.yml
index bd091b857e..7c9ae9f105 100644
--- a/.github/workflows/verify_microsite.yml
+++ b/.github/workflows/verify_microsite.yml
@@ -29,7 +29,7 @@ jobs:
         # Skip caching of microsite dependencies, it keeps the global cache size
         # smaller, which make Windows builds a lot faster for the rest of the project.
       - name: yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
         working-directory: microsite
 
       - name: prettier
diff --git a/.github/workflows/verify_storybook.yml b/.github/workflows/verify_storybook.yml
index 9c6e693ba4..63e857f19a 100644
--- a/.github/workflows/verify_storybook.yml
+++ b/.github/workflows/verify_storybook.yml
@@ -39,7 +39,7 @@ jobs:
         with:
           cache-prefix: ${{ runner.os }}-v${{ matrix.node-version }}
       - name: storybook yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
         working-directory: storybook
 
       - run: yarn build-storybook
diff --git a/.github/workflows/verify_windows.yml b/.github/workflows/verify_windows.yml
index e286d42c7e..93a248df16 100644
--- a/.github/workflows/verify_windows.yml
+++ b/.github/workflows/verify_windows.yml
@@ -34,7 +34,7 @@ jobs:
 
       # Windows file operation slowness means there's no point caching this
       - name: yarn install
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
 
       - name: lint
         run: yarn backstage-cli repo lint
diff --git a/.tugboat/config.yml b/.tugboat/config.yml
index 883708bef7..1d06e39152 100644
--- a/.tugboat/config.yml
+++ b/.tugboat/config.yml
@@ -10,7 +10,7 @@ services:
         - echo "yarn --cwd ${TUGBOAT_ROOT} start-backend --config ${TUGBOAT_ROOT}/app-config.yaml --config ${TUGBOAT_ROOT}/.tugboat/tugboat.app-config.production.yaml" >> /etc/service/node/run
         - chmod +x /etc/service/node/run
       build:
-        - yarn install --frozen-lockfile
+        - yarn install --immutable
         - yarn workspace example-app build
       start:
         # wget the endpoint. Will retry every 2 seconds. 30 retries = 1m for service to come up. Plenty.